1. miaoski
  2. pm25
  3. 119101192
column value
GUID 54dc1e06-61ac-489f-a77f-0c3cd38a10d1
date 2015-10-23T03:44:00
humidity 75.2
temperature 29.4
pm25 42.5
geox 120.218
geoy 23.006